Because Unicode data always uses an even number of bytes, use caution when you convert binary or varbinary to or from Unicode supported data types. For example, the following conversion does not return a hexadecimal value of 41; it returns 4100: SELECT CAST(CAST(0x41 AS nvarchar) AS varbinary) .
noun. The definition of a module is a standard unit of measurement in building planning, or a detachable part of a whole, or an independent unit that is part of a whole.
Definition of:software module. A file that contains instructions. Module implies a single executable file that is only a part of the application, such as a DLL. When referring to an entire program, the terms application and software program are typically used. See DLL.